Josiah Willard Gibbs

1839–1903 (age 64)

Mathematician/Physicist

Biography

Josiah Willard Gibbs spent his entire career at Yale University, where the young mathematician and natural philosopher became one of the first Americans to earn a doctorate in science. He carried out his research with intense precision yet never sought the limelight, preferring to mentor students and to explore the deep connections between mathematics and physics.

His papers on thermodynamics, chemical equilibria, and vector analysis shaped the way scientists understand energy, matter, and force, and his book 'On the Equilibrium of Heterogeneous Substances' still stands as a seminal text; generations of scholars continue to rely on his elegant formulations.